Properties

Label 1872.2.ch
Level $1872$
Weight $2$
Character orbit 1872.ch
Rep. character $\chi_{1872}(623,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $168$
Sturm bound $672$

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Defining parameters

Level: \( N \) \(=\) \( 1872 = 2^{4} \cdot 3^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1872.ch (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 468 \)
Character field: \(\Q(\zeta_{6})\)
Sturm bound: \(672\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1872, [\chi])\).

Total New Old
Modular forms 696 168 528
Cusp forms 648 168 480
Eisenstein series 48 0 48

Trace form

\( 168 q + O(q^{10}) \) \( 168 q - 84 q^{25} - 84 q^{49} - 72 q^{65} - 96 q^{69} + 144 q^{77} - 96 q^{81} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(1872, [\chi])\) into newform subspaces

The newforms in this space have not yet been added to the LMFDB.

Decomposition of \(S_{2}^{\mathrm{old}}(1872, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1872, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(468, [\chi])\)\(^{\oplus 3}\)